import matplotlib as mlp
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd

# 设置全局横纵轴字体大小
mlp.rcParams('axes.titlesize') = 20
mlp.rcParams('xtick.labelsize') = 16
mlp.rcParams('ytick.labelsize') = 16
mlp.rcParams('axes.labelsize') = 16


catering_sale = './catering_sale.xls'
data = pd.read_excel(catering_sale, index_col= '日期')
